KSR5 VELLEMAN 1
KSR5 – "SCARAB" ROBOT KIT
1. Introduction & Characteristics
Thank you for buying the KSR5! Read this manual carefully before bringing the device into use.
The KSR5 uses 2 antennae (touch sensors) to detect obstacles. Upon detection, it will move backward and follow a
two-step manoeuvre to help it overcome the obstacle. This manoeuvre can be determined by means of jumpers.
The Kit comes complete with 2 sets of differently designed legs, which move in their own distinct way. Fun and
excitement are guaranteed.
The KSR5 requires four 1.5Vdc AAA-batteries (not included).
Apart from the batteries, you will also need a pair of long-nose pliers, a soldering iron, a diagonal cutter, a
screwdriver, a soldering iron and a length of solder wire.
2. Electronic Parts List
1. resistor: 4x 10Ω (brown/black/black/gold)
9x 10K (brown/black/orange/gold)
4x 22K (red/red/orange/gold)
2x 1M (brown/black/green/gold)
2. ceramic capacitor: 1x type 103, 8x type 104
3. electrolytic capacitor 0.47µf (3x) & 10µf (1x)
4. LED 5mm, 2 x red, 2 x green
5. LED holder (4x)
6. jumper wire (16x)
7. diode 1N4004 (6x)
8. pin header (2 pins) (1x)
9. female header (2 pins) (1x)
10. pin header (2 pins) (11x)
11. Battery connector (1x)
12. transistor: 4x 8050, 4x 8550, 4x C945
13. IC type 74LS109AP (2x), 74HC157AP (3x)
14. IC socket 16 pins (5x)
15. IC type 555 (1x)
16. IC socket 8 pins (1x)
17. jumper (10x)
18. pin (4x)
19. tactile switch (2x)
20. connector with wire: 1 x yellow, 1 x green,
1 x orange, 1 x blue
21. slide switch (1x)
22. battery holder (1x)
23. PCB
3. Mechanical Parts List
1. 2x screw 3x6mm (P13)
2. 10x screw 3x6mm (P14)
3. hex post: 4x 10mm H (P15), 2x 12mm H (P16)
4. 2x round spacer 10mm H (P17)
5. 2x PCB spacer (P18)
6. 2x antenna (P19)
7. 1x body (P20)
Fig. 1
Fig. 2
KSR5 VELLEMAN 2
4. Assembly
a) PCB Assembly
Start the assembly by mounting the jumper wires and resistors. The components codes are printed on the PCB:
Part ID Description Colour Code Quantity
J1~16 jumper wire n.a. 16
R16~19
10Ω
brown/black/black/gold 4
R1/4~7/12~15 10K brown/black/orange/gold 9
R8~11 22K red/red/orange/gold 4
R2/3 1M brown/black/green/gold 2
Mount the capacitors, transistors and diodes next:
Part ID Description Quant.
C7 ceramic capacitor 103 1
C1~6 ceramic capacitor 104 6
EC1~3 electrolytic capacitor 0.47µf 3
EC4 electrolytic capacitor 10µf 1
Q5~8 transistor C945 4
Q9~12 transistor 8050 4
Q1~4 transistor 8550 4
D1~4/7/8 diode 1N4004 6
Mount the IC sockets, the battery connector, the slide switch, the pins and the ICs.
Part ID Description Quant.
IC1 8 pins IC socket (fig.1 #16) 1
IC2~6 16 pins IC socket (fig.1 #14) 5
BAT. battery connector (fig.1 #11) 1
SW. slide switch (fig.1 #21) 1
M1 (+/-)
M2 (+/-)
pins (fig.1 #18) 4
IC1 555 (8 pins) 1
IC2/3 74LS109AP (16 pins) 2
IC4~6 74HC157AP (16 pins)
3
Mount the pin headers on the main PCB and a pin header and the tactile switches on the small PCB:
Part ID Description Quantity
TJ1~3
MOVEMENT 1/2
pin header 2 pins (fig.1 #10) 11
To down board pin header 2 pins (fig.1 #8) 1
REMARK:
Touch B female header 1
SW1/2 tactile switch
2
Fig. 3
KSR5 VELLEMAN 3
Mount the LEDs:
b) Gearbox Assembly
Parts
P1: motor x 2
P2: motor holder x 2
P3: screw (2x10mm) x 4
P4: nut (M2) x 4
P5: tapping screw (3x7mm) x 34
P6: eyelet x 6
P7: gear (44T+0) with shaft (green) x 2
P8: gear (44T+0) with shaft (orange) x 4
P9: pinion gear 8T (white) x 2
P10: gear 48/18T (white) x 2
P11: gear 44/18T (blue) x 4
P12: clear tube x 2
A: gear protection plates (2)
B: motor protection plates (2)
C: protection plates (4) for corner wheel/leg gears
D: gear brackets (2) for corner wheel/leg gears
E: gear brackets (2) for corner wheel/leg gears
F: motor mounting bracket (1)
G: top plate (1)
H: wheels (6)
I: legs (6)
J: rubber feet for legs (6)
Part ID Description Quant.
D5/10 LED 5mm (red) (A) 2
D6/9 LED 5mm (green) (B)
2
Fig. 4
Fig. 5
KSR5 VELLEMAN 4
Assembly
OR
OF
OU
O
ODER
KSR5 VELLEMAN 5
c) Mechanical Assembly
1. Mount the wires and the ceramic capacitors type 104 on the motors and fix the battery holder on the PCB.
Connect the battery holder to the battery connector (BAT, see "4.a) PCB assembly").
The colour code used for the wires is: 1=green, 2=yellow, 3=orange, 4=blue
wires / capacitors battery holder
2. Fix the PCB to the gearbox and put the wires through the holes at the front of the device.
3. Mount the antennae (2 ways are possible):
Fig. 7
Fig. 6
Fig. 8
Fig. 9
KSR5 VELLEMAN 6
4. Connect the wires to the pins on the M-terminals.
5. Mount the body on the PCB/gearbox assembly:
5. Wiring Diagram
Fig. 10
Fig. 11
Fig. 12
KSR5 VELLEMAN 7
6. Operation
1. Put the switch in the “ON”-position ; the KSR5 will move forward. When it detects an obstacle, it will move
backward and execute a two-step manoeuvre according to the user's presets. After that, the KSR5 will continue
its forward movement.
2. Use the jumpers to determine how the KSR5 reacts to an obstacle –the table below gives an overview.
A and B determine the action of the left legs/wheels, C and D determine the action of the right legs/wheels.
Make sure there is always a jumper on A or B AND C or D (always at least 2 jumpers).
3. The KSR5 time settings can also be adjusted by means of (a) jumper(s) on TJ1 and/or TJ2 and/or TJ3.
Put one jumper on either of the three TJ's and the movement timing will be approximately 1 second. Put two
jumpers and the timing will be approximately 2 seconds. Put three jumpers for three seconds.
7. Troubleshooting
1. Make sure all components on the PCB are in the right position. Pay particular attention to the polarity of the LEDs,
ICs and diodes.
2. Ensure all wiring is correctly connected.
3. Apply a little bit of machine oil to the axles of the gears if the KSR5 isn't running smoothly.
Note: The specifications and contents of this manual can be subject to change without prior notice.
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